Average Co-Inventor Count = 3.22
ph-index = 8
The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.
Company Filing History:
1. International Business Machines Corporation (11 from 164,219 patents)
2. Discovision Associates (2 from 329 patents)
13 patents:
1. D267151 - Typewriter
2. D266768 - Typewriter
3. D258957 - Keyboard housing
4. D258733 - Portable dictation machine or the like
5. D258446 - Electrophotographic apparatus or similar device
6. D257533 - Video disk player
7. D255456 - Electrophotographic apparatus or the like
8. D254975 - Convenience collator for a copier
9. D246046 - Electrophotographic apparatus or similar article
10. D245911 - Electrophotographic machine or the like
11. D245847 - Electrophotographic copier or the like
12. D245848 - Electrophotographic copier or the like
13. D245166 - Collator for an electrophotographic apparatus